{"product_id":"southland-583-030-black-iron-nipple-1-2-x-3-schedule-40-pipe","title":"Southland 583-030 Black Iron Nipple - 1\/2\" x 3\" Schedule 40 Pipe","description":"\u003ch1\u003eSouthland 583-030 Black Iron Nipple - 1\/2\" x 3\" Schedule 40 Pipe\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eSouthland 583-030\u003c\/strong\u003e is a professional-grade black iron pipe nipple designed for low-pressure plumbing and gas distribution systems. As a critical structural and fluid-carrying component, this nipple provides a secure, threaded connection between fittings, valves, or manifold ports in residential and commercial HVAC and boiler applications.\u003c\/p\u003e\n\u003ch2\u003eTechnical Performance\u003c\/h2\u003e\n\u003cp\u003eManufactured from high-strength \u003cstrong\u003eSchedule 40 steel\u003c\/strong\u003e, this \u003cstrong\u003e1\/2\" x 3\"\u003c\/strong\u003e nipple is hydrostatically tested and meets all applicable \u003cstrong\u003eASTM A733\u003c\/strong\u003e and \u003cstrong\u003eANSI\/ASME B1.20.1\u003c\/strong\u003e standards for thread precision. The \"Black Iron\" finish is achieved through a protective oil coating that resists oxidation during storage and transport. Being a \u003cstrong\u003eGenuine Southland\u003c\/strong\u003e fitting, it features clean-cut, tapered National Pipe Threads (NPT) that ensure a leak-proof seal when used with high-quality pipe sealant or PTFE tape. \u003c\/p\u003e\n\u003ch2\u003eKey Features and Function\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature 1: Precision Tapered Threads\u003c\/strong\u003e – NPT threads on both ends provide a tight, wedge-like seal for gas and liquid applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature 2: Schedule 40 Durability\u003c\/strong\u003e – Robust wall thickness handles the rigors of high-torque installation without deforming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature 3: Natural Gas \u0026amp; Propane Rated\u003c\/strong\u003e – Specifically engineered for safe use in fuel gas piping systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature 4: Hydrostatically Tested\u003c\/strong\u003e – Every nipple is factory-tested to ensure material integrity and zero porosity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Details and Key Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 583-030 (MFG: 583-030)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Southland \/ Mueller (Genuine OEM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Black Iron Pipe Nipple\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Size (ID):\u003c\/strong\u003e 1\/2 Inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 3 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Schedule 40 Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e MPT x MPT (Male Pipe Thread)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black (Oil-Coated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 0.25 lbs \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e🛠️ \u003cstrong\u003eHVAC Depot Pro Tip: The \"Two-Wrench\" Technique\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003eWhen installing black iron nipples into a gas valve or manifold, always use two pipe wrenches: one to hold the base fitting (backup) and one to tighten the nipple. This prevents the \"hidden\" internal components of the gas valve from twisting and failing, which is the leading cause of post-install gas leaks! \u003c\/p\u003e\n\u003ch2\u003eCross-Reference \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e583-030\u003c\/strong\u003e is a standard trade-size fitting and serves as a direct replacement or equivalent for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry Numbers:\u003c\/strong\u003e 1\/2x3BIN, 583030, Mueller 583-030\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Gas supply lines, hydronic heating loops, and air compressor drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Works with all 1\/2\" FPT black iron, malleable, or brass fittings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eExtensive Model Compatibility List\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Furnaces:\u003c\/strong\u003e Compatible with 1\/2\" gas train inlets for \u003cstrong\u003eTrane, Carrier, York, and Goodman\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Heaters:\u003c\/strong\u003e Standard size for many residential gas control valve inlets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoilers:\u003c\/strong\u003e Used in low-pressure steam and hot water header assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Southland","offers":[{"title":"Default Title","offer_id":52451519693163,"sku":"032888005372","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/original_b2f0698b-7c40-42a0-a13e-e69925be23f0.png?v=1760124486","url":"https:\/\/tophvacparts.com\/products\/southland-583-030-black-iron-nipple-1-2-x-3-schedule-40-pipe","provider":"HVAC Parts and Equipment Depot Open To Homeowners and Contractors","version":"1.0","type":"link"}